<ul>
  <li *ngFor="let book of books">
    Title: {{ book.title }}
    Name: {{ book.name }}
  </li>
  <app-book-child [child_test]="test"></app-book-child>
  <!--<app-book-child (from-child)="fatherFun()"></app-book-child>-->
  <div>
    <span>我是2018-06-12的test修改,测试commit</span>
  </div>
</ul>

